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November 2009
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Materials News

Higher thermal insulation foam
An expanded polypropylene (EPP) foam with 10% higher thermal insulation is being offered by BASF for heating, ventilation and sanitary systems.

The patented metallic-grey Neopolen P 9335 mg foam serves as a shock-absorbing packaging for transportation, supports the device as a constructive carrier and replaces the metal housing because it can be processed into thermally insulating housings with an aesthetic surface.

This presents new design options for devices such as heat exchangers and solar storing units. It can also be used to foam highly resilient, elastic moulded parts which replace conventional metal or injection moulded housings. This provides new options for integrating additional functions into the housing such as airflow channels or assembly fixings. As a result, the required number of components can be reduced to a minimum. The thermal and electronic
units are fastened directly into the viscoplastic Neopolen P housing. Thus, they cannot be damaged during transportation.

The polymer matrix of Neopolen P 9335 mg contains infrared absorbers, which reflect thermal radiation like a mirror and considerably reduce the heat transfer compared to conventional EPP. Neopolen P is temperature-resistant from -40°C to +100°C.

Thanks to new tooling technologies, the foam can be processed to render high-quality surfaces without the typical particle foam look and without nozzle imprints. The foam beads that expand uniformly adapt to the modified mould surface, generating a homogeneous surface that gives a leather look.

 
 
 
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